<nav class="navbar navbar-default" role="navigation">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" ui-sref="app.home">Logo</a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li class="active"><a href="">老师</a></li>
                <li><a href="">学生</a></li>
                <li><a href="">课程</a></li>
            </ul>
            <!--<form class="navbar-form navbar-left" role="search">-->
            <!--<div class="form-group">-->
            <!--<input type="text" class="form-control" placeholder="Search">-->
            <!--</div>-->
            <!--<button type="submit" class="btn btn-default">Submit</button>-->
            <!--</form>-->
            <ul class="nav navbar-nav navbar-right">
                <li><a href="">消息</a></li>
                <li class="dropdown">
                    <a href="" class="dropdown-toggle" data-toggle="dropdown">小明 <span class="caret"></span></a>
                    <ul class="dropdown-menu" role="menu">
                        <li><a href="">个人信息</a></li>
                        <li class="divider"></li>
                        <li><a href="">注销</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>
<div ui-view></div>